spark-instrumented-optimizer/python/pyspark/sql/tests/test_utils.py
Kousuke Saruta 14c7bb877d [SPARK-34872][SQL] quoteIfNeeded should quote a name which contains non-word characters
### What changes were proposed in this pull request?

This PR fixes an issue that `quoteIfNeeded` quotes a name only if it contains `.` or ``` ` ```.
This method should quote it if it contains non-word characters.

### Why are the changes needed?

It's a potential bug.

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

New test.

Closes #31964 from sarutak/fix-quoteIfNeeded.

Authored-by: Kousuke Saruta <sarutak@oss.nttdata.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2021-03-29 09:31:24 +00:00

62 lines
2.6 KiB
Python

# -*- encoding: utf-8 -*-
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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from pyspark.sql.functions import sha2
from pyspark.sql.utils import AnalysisException, ParseException, IllegalArgumentException
from pyspark.testing.sqlutils import ReusedSQLTestCase
class UtilsTests(ReusedSQLTestCase):
def test_capture_analysis_exception(self):
self.assertRaises(AnalysisException, lambda: self.spark.sql("select abc"))
self.assertRaises(AnalysisException, lambda: self.df.selectExpr("a + b"))
def test_capture_user_friendly_exception(self):
try:
self.spark.sql("select `中文字段`")
except AnalysisException as e:
self.assertRegex(str(e), "cannot resolve '`中文字段`'")
def test_capture_parse_exception(self):
self.assertRaises(ParseException, lambda: self.spark.sql("abc"))
def test_capture_illegalargument_exception(self):
self.assertRaisesRegex(IllegalArgumentException, "Setting negative mapred.reduce.tasks",
lambda: self.spark.sql("SET mapred.reduce.tasks=-1"))
df = self.spark.createDataFrame([(1, 2)], ["a", "b"])
self.assertRaisesRegex(IllegalArgumentException, "1024 is not in the permitted values",
lambda: df.select(sha2(df.a, 1024)).collect())
try:
df.select(sha2(df.a, 1024)).collect()
except IllegalArgumentException as e:
self.assertRegex(e.desc, "1024 is not in the permitted values")
self.assertRegex(e.stackTrace, "org.apache.spark.sql.functions")
if __name__ == "__main__":
import unittest
from pyspark.sql.tests.test_utils import * # noqa: F401
try:
import xmlrunner # type: ignore[import]
testRunner = xmlrunner.XMLTestRunner(output='target/test-reports', verbosity=2)
except ImportError:
testRunner = None
unittest.main(testRunner=testRunner, verbosity=2)